Borg Warner Transfer Box Oil Pump Overhaul
TRANSFER BOX
20
OVERHAUL
INTERMEDIATE SHAFT REAR BEARING
Service repair no - 41.20.21/01
Remove
1. Remove intermediate shaft drive gear.
See
this section.
2. Remove 2 magnets from rear casing.
3. Release oil strainer clip from rear casing.
4. Expand snap ring retaining intermediate shaft
rear bearing to rear casing.
5. Remove intermediate shaft, oil pump and
strainer assembly from rear casing.
6. Remove circlip retaining intermediate shaft
bearing to intermediate shaft.
7. Using a suitable puller, remove bearing from
rear of intermediate shaft.
Refit
1. Ensure bearing and intermediate shaft mating
surfaces are clean and free of burrs.
2. Press bearing onto intermediate shaft.
3. Fit circlip retaining bearing to intermediate
shaft.
4. Expand snap ring in rear housing and fit
intermediate shaft assembly to rear casing.
5. Ensure snap ring is correctly located to rear
bearing.
6. Fit filter hose clip to rear casing.
7. Fit magnets to rear casing.
8. Fit intermediate shaft drive gear.
See this
section.
OIL PUMP
Service repair no - 41.20.30/01
Remove
1. Remove intermediate shaft rear bearing.
See
this section.
2. Remove circlip retaining oil pump to
intermediate shaft.
3. Remove washer from intermediate shaft.
4. Remove oil pump and hose assembly from
intermediate shaft.
5. Release clip and remove hose from oil pump.
Refit
1. Fit hose to oil pump and secure with clip.
2. Fit oil pump to intermediate shaft.
3. Fit washer and circlip securing pump to
intermediate shaft.
4. Fit intermediate shaft rear bearing.
See this
section.